Arnold Cautious and the Happiness Stone

Julius has a vivid imagination, which worries his parents and his older sister. He is going to start school after the summer, and his family is a bit concerned: how will he fit into the world of school and all its boundaries? Julius’s parents themselves are in the middle of a serious crisis and considering a divorce. Together with his new friend, a “degenerated” vampire Arnold, Julius tries to make a Happiness Stone to solve the issues between his parents and within the family.